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Factors Affecting Temporal Variations of Cyanobacteria Composition and Microcystins in a Hypertrophic Urban Lake, Beijiing

文献类型： 外文期刊

作者： Qu, Jiangqi 1 ; Zhang, Qingjing 1 ; Zhang, Mo 1 ; Jia, Chengxia 1 ; Liu, Pan 1 ; Yang, Mu 1 ; Zhu, Hua 1 ; Li, Wentong 1 ;

作者机构： 1.Beijing Fisheries Res Inst, Dept Fisheries Ecol & Environm, Beijing 100068, Peoples R China

关键词： microcystins;temporal variations;cyanobacteria blooms;factors

期刊名称：PROCEEDINGS OF THE AASRI INTERNATIONAL CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS (IEA 2015)

ISSN： 2352-5401

年卷期： 2015 年 2 卷

页码：

收录情况： SCI

摘要： At present, the occurrence of harmful algal bloom has become a serious environmental problem in China. A survey of the seasonal variations of algal bloom characteristics has been investigated in a shallow hypertrophic urban lake from June to October 2013 in this study. LC-MS results indicated that there are two main cyanobacteria toxins variants (MC-LR and MC-RR) during harmful algal blooms. The community structure of cyanobacteria showed that 81.04 % of total cyanobacteria biomass belongs to Microcystis spp. and the average biomass of Microcystis spp. was 2.335 mg.L-1. In addition, multivariate analyses by principal component and classifying analysis (PCCA) suggest that microcystins were mainly produced by Microcystis spp. and TP could promote MC production.

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